diff --git a/examples/codepage_tables.py b/examples/codepage_tables.py
index fb535c7..e19ea3f 100644
--- a/examples/codepage_tables.py
+++ b/examples/codepage_tables.py
@@ -56,4 +56,5 @@ def print_codepage(printer, codepage):
             printer._raw(sep)
         printer._raw('\n')
 
-main()
\ No newline at end of file
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/src/escpos/capabilities.py b/src/escpos/capabilities.py
index 4fa9664..a3bfd3a 100644
--- a/src/escpos/capabilities.py
+++ b/src/escpos/capabilities.py
@@ -99,9 +99,10 @@ def clean(s):
    return str(s)
 
 
-# For users, who want to provide their profile
 class Profile(get_profile_class('default')):
-
+    """
+    For users, who want to provide their profile
+    """
     def __init__(self, columns=None, features=None):
         super(Profile, self).__init__()
 
diff --git a/src/escpos/magicencode.py b/src/escpos/magicencode.py
index 770703c..3dbd256 100644
--- a/src/escpos/magicencode.py
+++ b/src/escpos/magicencode.py
@@ -208,14 +208,20 @@ class MagicEncode(object):
 
     If the printer does not support a suitable code page, it can
     insert an error character.
-
-    :param encoding: If you know the current encoding of the printer
-        when initializing this class, set it here. If the current
-        encoding is unknown, the first character emitted will be a
-        codepage switch.
     """
     def __init__(self, driver, encoding=None, disabled=False,
                  defaultsymbol='?', encoder=None):
+        """
+
+        :param driver:
+        :param encoding: If you know the current encoding of the printer
+        when initializing this class, set it here. If the current
+        encoding is unknown, the first character emitted will be a
+        codepage switch.
+        :param disabled:
+        :param defaultsymbol:
+        :param encoder:
+        """
         if disabled and not encoding:
             raise Error('If you disable magic encode, you need to define an encoding!')
 
diff --git a/test/test_magicencode.py b/test/test_magicencode.py
index fc7a31e..faaf66d 100644
--- a/test/test_magicencode.py
+++ b/test/test_magicencode.py
@@ -24,6 +24,9 @@ from escpos.exceptions import CharCodeError, Error
 
 
 class TestEncoder:
+    """
+    Tests the single encoders.
+    """
 
     def test_can_encode(self):
         assert not Encoder({'CP437': 1}).can_encode('CP437', u'€')
@@ -40,10 +43,21 @@ class TestEncoder:
 
 
 class TestMagicEncode:
+    """
+    Tests the magic encode functionality.
+    """
 
     class TestInit:
+        """
+        Test initialization.
+        """
 
         def test_disabled_requires_encoding(self, driver):
+            """
+            Test that disabled without encoder raises an error.
+
+            :param driver:
+            """
             with pytest.raises(Error):
                 MagicEncode(driver, disabled=True)